The AuSable Valley Audubon Society will offer a free refresher class in birding for adults interested in improving their bird knowledge and observation skills.

The two-part class will be held on from 1 to 2:30 p.m. April 11 and 18 at the Alcona County Library, 312 W Main St., Harrisville.

Class is limited to 20 participants.

Pre-register by calling the library at 989-724-6796 before April 8.

Both sessions will be led by Peggy Ridgway, past president of Michigan Audubon, AuSable Valley Audubon, and retired Oscoda Area Schools teacher.